Instant Data Scraper

Yes, completely free with no account required, no daily quotas, and no paid tier. The extension is offered by Web Robots, a company that makes money from custom enterprise managed scraping projects — the free extension acts as a marketing channel. All features of the extension itself are available without any upsell or restriction.

The extension uses a heuristic algorithm that analyzes the structure of a webpage to automatically identify tabular data — repeating elements that look like rows in a list, table, or grid. When you click the extension icon, it highlights the detected table and shows a preview. You can adjust what's included, then click 'Start crawling' to collect all pages and export the result to CSV or Excel.

Yes — one of the extension's best features is its 'Locate Next button' workflow. You click the button you'd normally press for next page, and Instant Data Scraper automatically clicks through every page, collecting data from each one. It also supports infinite-scroll sites where new content loads as you scroll down, stopping automatically when no new content appears.

Since the extension runs inside your browser, it can access any content you can see — including JavaScript-rendered content. It handles most common single-page apps fine. However, highly complex sites with lazy loading, shadow DOM, or anti-scraping protections may still cause problems. For those cases, headless browser tools like Apify or ScrapingBee are more reliable.

The legality of web scraping depends on jurisdiction, the target site's terms of service, and what you do with the data. Publicly visible data is generally legal to scrape in most jurisdictions, but many sites prohibit scraping in their ToS. Always respect robots.txt, avoid overloading servers with excessive requests, and consult a lawyer for commercial use cases with unclear legal footing.

Yes — Instant Data Scraper is available on the Microsoft Edge add-ons store as well as the Chrome Web Store, and works identically on both browsers since Edge is built on the same Chromium engine. It does not have native Firefox or Safari versions.

Octoparse is a full-featured desktop application and cloud platform for production web scraping with scheduled jobs, login handling, IP rotation, and API output. Instant Data Scraper is a free browser extension for one-off ad-hoc scraping. Use Instant Data Scraper for quick manual tasks; use Octoparse when you need scheduled, reliable, production-grade scraping.

Indirectly yes — since it runs in your browser, it can scrape any page you can see, including pages behind a login you're already authenticated to. However, it doesn't automate logins, solve CAPTCHAs, or rotate credentials. For serious login-protected scraping at scale, dedicated platforms with proxy rotation and login handling are more reliable.